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Cheap flights from Colorado to Belfast from £206

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Belfast departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Colorado to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:40 - 19:20
DEN
-
BFS
19h 40m
2 stops
Multiple Airlines Logo
08:45 - 19:00
BFS
-
DEN
41h 15m
3 stops
£788Multiple Airlines
Tue, 5 May - Sat, 16 May
Multiple Airlines Logo
16:40 - 23:20
DEN
-
BFS
23h 40m
3 stops
Multiple Airlines Logo
08:45 - 19:00
BFS
-
DEN
41h 15m
3 stops
£790Multiple Airlines
Tue, 5 May - Sat, 16 May
Multiple Airlines Logo
16:40 - 19:20
DEN
-
BFS
19h 40m
2 stops
Multiple Airlines Logo
07:20 - 19:00
BFS
-
DEN
18h 40m
2 stops
£844Multiple Airlines
Tue, 5 May - Sat, 16 May
Multiple Airlines Logo
16:40 - 12:45
DEN
-
BFS
14h 05m
2 stops
Multiple Airlines Logo
18:00 - 18:35
BFS
-
DEN
30h 35m
3 stops
£848Multiple Airlines
Tue, 17 Mar - Fri, 20 Mar
Multiple Airlines Logo
16:40 - 22:35
DEN
-
BFS
23h 55m
3 stops
Multiple Airlines Logo
18:00 - 18:35
BFS
-
DEN
30h 35m
3 stops
£882Multiple Airlines
Tue, 17 Mar - Fri, 20 Mar
Multiple Airlines Logo
09:40 - 11:30
DEN
-
BFS
18h 50m
3 stops
Multiple Airlines Logo
06:15 - 19:00
BFS
-
DEN
19h 45m
2 stops
£1,136Multiple Airlines
Fri, 31 Jul - Tue, 4 Aug
Multiple Airlines Logo
16:40 - 12:45
DEN
-
BFS
14h 05m
2 stops
Multiple Airlines Logo
21:20 - 18:35
BFS
-
DEN
27h 15m
2 stops
£1,152Multiple Airlines
Tue, 17 Mar - Fri, 20 Mar
Multiple Airlines Logo
09:40 - 11:30
DEN
-
BFS
18h 50m
3 stops
Multiple Airlines Logo
16:05 - 12:40
BFS
-
DEN
27h 35m
3 stops
£1,216Multiple Airlines
Fri, 31 Jul - Tue, 4 Aug
Multiple Airlines Logo
16:40 - 21:50
DEN
-
BFS
22h 10m
2 stops
Multiple Airlines Logo
06:15 - 19:00
BFS
-
DEN
19h 45m
2 stops
£1,257Multiple Airlines
Fri, 31 Jul - Tue, 4 Aug
Multiple Airlines Logo
11:15 - 20:30
DEN
-
BFS
27h 15m
3 stops
Multiple Airlines Logo
20:55 - 15:35
BFS
-
DEN
24h 40m
2 stops
£1,318Multiple Airlines
Fri, 13 Mar - Tue, 17 Mar

momondo Fare Finder

 
Customise your flight search to find flights from Colorado to Belfast Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 6 February 2026.
Use the filters below to find and compare flights from Colorado to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Tue 5/5

16:40-19:20

2 stops19h 40m

Belfast Intl

Sat 16/5

08:45-19:00

3 stops41h 15m

£788

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Tue 5/5

16:40-23:20

3 stops23h 40m

Belfast Intl

Sat 16/5

08:45-19:00

3 stops41h 15m

£790

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Tue 5/5

16:40-19:20

2 stops19h 40m

Belfast Intl

Sat 16/5

07:20-19:00

2 stops18h 40m

£844

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Tue 17/3

16:40-12:45

2 stops14h 05m

Belfast Intl

Fri 20/3

18:00-18:35

3 stops30h 35m

£848

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Tue 17/3

16:40-22:35

3 stops23h 55m

Belfast Intl

Fri 20/3

18:00-18:35

3 stops30h 35m

£882

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Fri 31/7

09:40-11:30

3 stops18h 50m

Belfast Intl

Tue 4/8

06:15-19:00

2 stops19h 45m

£1,136

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Tue 17/3

16:40-12:45

2 stops14h 05m

Belfast Intl

Fri 20/3

21:20-18:35

2 stops27h 15m

£1,152

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Fri 31/7

09:40-11:30

3 stops18h 50m

Belfast Intl

Tue 4/8

16:05-12:40

3 stops27h 35m

£1,216

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Fri 31/7

16:40-21:50

2 stops22h 10m

Belfast Intl

Tue 4/8

06:15-19:00

2 stops19h 45m

£1,257

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Fri 13/3

11:15-20:30

3 stops27h 15m

Belfast Intl

Tue 17/3

20:55-15:35

2 stops24h 40m

£1,318

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Cheap Colorado to Belfast Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Belfast Intl Airport

Fastest flight time

15h 50m

Direct flights

None
The fastest flight from Colorado to Belfast Intl Airport takes 15h 50m
There are no direct flights from Colorado to Belfast Intl Airport. There are no popular flight routes from Colorado to Belfast Intl Airport.
Search flight deals

  • When did momondo last update prices for flights from Colorado to Belfast Intl Airport?

    Prices for flights from Colorado to Belfast Intl Airport refresh daily.

  • How old do you have to be to fly from Colorado to Belfast Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Belfast Intl Airport.

  • What documentation or ID do you need to fly to Belfast Intl Airport?

    The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Colorado to Belfast Intl Airport?

    Confirm your travel details to search for the latest offers for flights from Colorado to Belfast Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Colorado to Belfast Intl Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Ballymena
Newry
Armagh
Cookstown
Portadown
Dungannon

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Belfast?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado to Belfast for you.

Can I find flights from Colorado to Belfast with flexible booking policies on momondo?

momondo does allow users to show only those flights to Belfast from Colorado which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Colorado to Belfast?

momondo provides multiple filters to help you find the best flight to Belfast from Colorado. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Colorado to Belfast right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from Colorado and alert you when they change.

An easier way to manage your Belfast Intl Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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